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* tcl_server: switch to ctrl-zØyvind Harboe2010-09-201-11/+11
| | | | | | | | | | | | | | by using ctrl-z instead of line end, multi-line tcl scripts can be handled. Testing: send ctrl-z a couple of times to make telnet enter the mode where it sends ctrl-z unencoded. Programs that talk to the tcl_server can send ctrl-z to indicate end of tcl-let to be executed without having to worry about telnet protocols. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* logging: turn of stdout/stderr bufferingØyvind Harboe2010-09-201-0/+4
| | | | | | | with this buffering disabled fancier logging scripts will be able to process each line as it is output. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: add support for Linux hostØyvind Harboe2010-09-202-6/+45
| | | | | | | | used /dev/mem and mmem() to memory map JTAG registers into user space and used new configure options to exclude eCos specific code. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: build jtag first because it generates header filesØyvind Harboe2010-09-201-1/+1
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* warnings: fix alignment warningsØyvind Harboe2010-09-2013-23/+23
| | | | | | | These warnings are for architectures that do not support non-aligned word access. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: remove obsolete debug codeØyvind Harboe2010-09-201-7/+0
| | | | | | Obsolete code clutter Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* xscale: check that wp length does not exceed addressMike Dunn2010-09-201-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hi everyone, A while back I sent in a patch that adds support for watchpoint lengths greater than four on xscale. It's been working well, until the other day, when it caused an unexpected debug exception. Looking into this I realized there is a case where it breaks: when the length arg is greater than the base address. This is a consequence of the way the hardware works. Don't see a work-around, so I added code to xscale_add_watchpoint() to check for and disallow this combination. Some more detail... xscale watchpoint hardware does not support a length directly. Instead, a mask value can be specified (not to be confused with the optional mask arg to the wp command, which xscale does not support). Any bits set in the mask are ignored when the watchpoint hardware compares the access address to the watchpoint address. So as long as the length is a power of two, setting the mask to length-1 effectively specifies the length. Or so I thought, until I realized that if the length exceeds the base address, *all* bits of the base address are ignored by the comaparator, and the watchpoint range effectively becomes 0 .. length. Questions, comments, criticisms gratefully received. Thanks, Mike Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
* xscale: bp/wp: additional LOG_ERROR on failureMike Dunn2010-09-201-6/+10
| | | | | | | | | | | | | | | | | | | | | Hi everyone, Added more LOG_ERROR messsages to watchpoint and breakpoint code, given that the infrastructure no longer interprets returned error codes. Also changed existing LOG_INFO and LOG_WARNING to LOG_ERROR for cases where an error is returned. Note that the check of the target state is superflous, since the infrastruture code currently checks this before calling target code. Is this being reconsidered as well? Also, should we stop returning anything other than ERROR_OK and ERROR_FAIL? Comments gratefully received. Thanks, Mike Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
* cfi: add sst39vf6401bFlemming Futtrup2010-09-152-0/+15
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* breakpoints: fix error handlingØyvind Harboe2010-09-141-29/+7
| | | | | | | | do not try to interpret "retval" into a string, just amend a bit about the context of the already reported error. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* xscale: fix sw breakpoints for thumb; set bp immediatelyMike Dunn2010-09-131-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hi everyone, Version 2 of this patch. Code added to breakpoints.c was removed from previous patch, and item 3 added, per discussion with Øyvind regarding error reporting. Item 4 added, which I just noticed. I tried to use a software breakpoint in thumb code on the xscale for the first time recently, and was surprised to find that it didn't work. The result was this patch, which does four things: 1): fix trivial cut-n-paste error that caused thumb breakpoints to not work 2): call xscale_set_breakpoint() from xscale_add_breakpoint() 3): log error on data abort in xscale_write_memory() 4): fixed incorrect error code returned by xscale_set_breakpoint() when no breakpoint register is available; added comment Item 2 not only makes the xscale breakpoint code consistent with other targets, but also alerts the user immediately if an error occurs when writing the breakpoint instruction to target memory (previously, xscale_set_breakpoint() was not called until execution resumed). Also, calling xscale_breakpoint_set() as part of the call chain starting with handle_bp_command() and propagating the return status back up the chain avoids the situation where OpenOCD "thinks" the breakpoint is set when in reality an error ocurred. Item 3 provides a helpful message for a common reason for failure to set sw breakpoint. This was thoroughly tested, mindful of the fact that breakpoint management is somewhat dicey during single-stepping. Comments and criticisms of course gratefully received. Mike Signed-off-by: Mike Dunn <mikedunn@newsguy.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* propagate return status of set_breakpoint() up call chainMike Dunn2010-09-133-9/+5
| | | | | | | | | | | | | | | | | | | | | | | | | Hi everyone, I figured since I was poking around in the breakpoint code on other arches, I'd add this change to those arches that don't do it already. This patch propagates the return code of <arch>_set_breakpoint() up the call stack. This ensures that the higher layer breakpoint infrastructure is aware that an error ocurred, in which case the breakpoint is not recorded. Normally I wouldn't touch code that I can't test, but the code is very uniform across architectures, and the change is rather benign, so I figured after careful inspection that it is safe. If the maintainers or others think this is imprudent, the patch can be dropped. Also changed the error code to something more appropriate in two cases where hardware resources are unavailable. Comments and criticisms of course gratefully received. Mike Signed-off-by: Mike Dunn <mikedunn@newsguy.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* helper: add stacktrace command that returns error stacktraceØyvind Harboe2010-09-121-0/+31
| | | | | | | Ability to access the stacktrace from a script is quite handy. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jim: fix crash when using Jim_ListInsertElementsØyvind Harboe2010-09-121-0/+1
| | | | | | | Jim_ListInsertElements was simply forgotten from the fn that registered all the APIs. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* version command: make it scriptableØyvind Harboe2010-09-112-9/+24
| | | | | | | | | | | you can now set a variable in a script like set version [version]. Also version takes an optional argument "git" to show git version of source. If git is not installed during the build, then this will yield an error that is ignored during the build and "version git" returns an empty string. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* command: capture command now handles both types commandsØyvind Harboe2010-09-111-2/+24
| | | | | | | | | | | | | | | | | | | | | | Commands that output progress output and no return value will have the progress output captured. Commands that do not output progress output(tcl commands) will return the tcl return value instead. The advantage here is that it is no longer necessary to consider which command one is capturing, it works for either. Example #1: capture progress output: set foo [capture help] Example #2: capture tcl return value set foo [capture {set abc def}] Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* cfi: random crash in cfi_probe() fixedØyvind Harboe2010-09-111-1/+5
| | | | | | | | for non_cfi cfi chips free() was invoked on rodata. The mystery is why this bug has survived for so long. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* cfi: tighten up type usage a bitØyvind Harboe2010-09-111-2/+3
| | | | | | | | | | sizeof() is a bit less scary than seing assumption about size of type, no bug as such. Use NULL instead of 0 for pointers. More obvious that it is a pointer from code inspection. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* xscale: mark xscale registers invalid on debug entryMike Dunn2010-09-091-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | Hi everyone, This simple patch fixes a problem I noticed on the xscale where incorrect values are sometimes reported by the reg command. The problem can occur when requesting the value of registers in the xscale-specific register cache. With a couple of exceptions, none of the registers in the xscale register cache are automatically retrieved on debug entry. This is probably fine, as they are unlikely to be needed on a regular basis during a typical debug session, and they can be retrieved when explicitly requested by name using the reg command. The problem is that once this is done, the register remains marked as valid for the remainder of the OpenOCD session, and the reg command will henceforth always report the same value because it is obtained from the cache and is never again retrieved from the debug handler on the target. The fix is to mark all registers in the xscale register cache as invalid on debug entry (before the two exceptions are retrieved), thus forcing retrieval (when requested) from the target across resumptions in execution, and avoiding the reporting of stale values. Small addition change by Øyvind: change 'i' to unsigned to fix compiler warning for xscale_debug_entry() fn. Signed-off-by: Mike Dunn <mikedunn@newsguy.com> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* Remove duplicated initializationAlexander Stein2010-09-081-1/+0
| | | | | | | | | | | I a mail conversation with Øyvind we stated that speed may not be set at all on case CLOCK_MODE_KHZ and CLOCK_MODE_RCLK. Also there isn't proper error propagation adapter_khz_to_speed or jtag_rclk_to_speed. So jtag_get_speed may need some rewrite for error propagation. CC: Øyvind Harboe <oyvind.harboe@zylin.com> Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de> Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* warning: fix silly -O3 warningØyvind Harboe2010-09-071-1/+1
| | | | | | | Some versions of GCC don't pick up that local variables are set in all code paths. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: fix regression with dummy driver and when starting OpenOCD with target ↵Øyvind Harboe2010-09-031-5/+13
| | | | | | | | | | | | | | | | powered down Do not fail startup if communication with target is not possible. OpenOCD supports launching without a target connected or the target powered down. The user will typically power up the target and issue a "reset init" + load his application after OpenOCD is started then. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* Numonyx M29W160ET patchWookey2010-09-031-3/+4
| | | | | | | | | Someone called David Carne popped up on IRC and offered a fix (as he's not on this list so can;t post here). I am just passing it on. (thanx David) 10:54 < davidc__> Basically; the Numonyx M29W160ET has an incorrect CFI PRI block; it describes the erase blocks backwards 10:54 < davidc__> the linked patch has a fixup for that part [really trivial]:
* cortex m3: add cortex_m3 reset_config cmdSpencer Oliver2010-08-312-51/+84
| | | | | | | | | | | | This new cmd adds the ability to choose the Cortex-M3 reset method used. It defaults to using SRST for reset if available otherwise it falls back to using NVIC VECTRESET. This is known to work on all cores. Move any luminary specific reset handling to the stellaris cfg file. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* flash: increase stellaris flash loader bufferSpencer Oliver2010-08-311-1/+1
| | | | | | This speeds up programming for targets with more working area, Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* bitq: unshadow pause()David Brownell2010-08-271-4/+4
| | | | | | | | bitq.c: In function ‘bitq_scan_field’: bitq.c:224: error: declaration of ‘pause’ shadows a global declaration /usr/include/unistd.h:429: error: shadowed declaration is here Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* avr32: work-in-progressOleksandr Tymoshenko2010-08-1510-0/+1769
| | | | | | | | | | | | | committed so as to ease cooperation and to let it be improved over time. So far it supports: - halt/resume - registers inspection - memory inspection/modification I'm still getting up to speed with OpenOCD internals and AVR32 so code is a little bit messy and I'd appreciate any feedback.
* Fix typo in usb_blaster_vid_pid error messageCatalin Patulea2010-08-141-1/+1
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* Added support for the Lisa/L jtag LEDs.Piotr Esden-Tempski2010-08-131-1/+56
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* Added support for Lisa/L builtin JTAG interface.Piotr Esden-Tempski2010-08-131-0/+5
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* jtag: fix handling of 'tap enable' errorThomas Koeller2010-08-121-2/+2
| | | | | | | | if a tap could not be _enabled_, the error message was 'failed to disable tap'. Fixed that. Also, display the failing tap's name. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
* str9x: faster flash erase of entire chipFredrik Hederstierna2010-08-121-6/+23
| | | | | | | The patch improves flash erase for STR9x in case of a full bank erase. Then the chip erase command is used instead which improves speed significantly. Also I think it might help if e.g. STR912 enters some state where flash banks are locked, and a chip erase command is the key for unlocking the flash.
* tcl: remove silly ocd_ prefix to array2mem and mem2arrayØyvind Harboe2010-08-111-2/+2
| | | | | | | | ocd_ prefix is used internally in OpenOCD as a kludge more or less to deal with the two kinds of commands that OpenOCD has. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* debug: use assert's when approperiateØyvind Harboe2010-08-112-4/+2
| | | | | | error was returned instead of using assert. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* arm: add missing error reportingØyvind Harboe2010-08-113-1/+28
| | | | | | | when an unknown core mode is read from the target, report error. Can be communication failure. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* arm7/9: fix "reset run + halt"Øyvind Harboe2010-08-092-11/+27
| | | | | | | | | | | | | | | | if polling is off, then "reset run + halt" would fail since halt incorrectly assumed the target was in the reset state as it is the internal poll implementation that moves the sw tracking of the target state out of the reset state. To reproduce: > reset run; halt JTAG tap: zy1000.cpu tap/device found: 0x1f0f0f0f (mfg: 0x787, part: 0xf0f0, ver: 0x1) BUG: arm7/9 does not support halt during reset. This is handled in arm7_9_assert_reset() Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* target: if polling fails, back offØyvind Harboe2010-08-091-8/+29
| | | | | | | | | | | | back-off algorithm for polling. Double polling interval up to 5000ms when it fails. when polling succeeds, reset backoff. This avoids flooding logs(as much) when working with conditions where the target polling will fail. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* verify_image: print out a statement that there are no further errorsØyvind Harboe2010-08-021-1/+10
| | | | | | | | | It is useful to know that the printed errors are *all* the errors there were. Added missing error handling(found by inspection). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: use correct base clock when calculating speed divisorØyvind Harboe2010-08-021-4/+11
| | | | | | revc uses 60MHz and revb 64MHz, use this in calculations. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: print out khz correctly in response to setting JTAG speedØyvind Harboe2010-08-021-4/+33
| | | | | | Calculate printout based on same core routines. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ioutil: fix internal fn namesØyvind Harboe2010-08-021-15/+11
| | | | | | prefix w/ioutil_ Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: measure_clk debug procØyvind Harboe2010-08-021-0/+9
| | | | | | | It can be useful to get an approximate measurement of rtck frequency for debugging purposes. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* jtag: add jtag_flush_queue_sleep debug commandØyvind Harboe2010-08-023-0/+45
| | | | | | | | it can be useful to throttle performance: test differences in behavior, test performance effect of long roundtrips. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* util: ms command to calculate length of operationsØyvind Harboe2010-08-015-2/+101
| | | | | | | This can be used to calculate approximate RTCK frequency for instance. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* stellaris flash comment updateDavid Brownell2010-08-011-1/+1
| | | | | | | | This flash driver works on more than just two chips. (Though it does need work still, e.g. to protect more than 64K. (On non-'3748-A0 chips where errata allow that.)) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* "transport select" returns Jim valueDavid Brownell2010-07-241-41/+30
| | | | | | | Make it scriptable, so code can be conditionalized based on what transport is in use for the session. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Buspirate: fix shadowMichal Demin2010-07-231-14/+14
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* flash: remove algorithm exit_point address for supported targetsSpencer Oliver2010-07-204-5/+4
| | | | | | | | | For the above targets the exit_point is optional when used with run_algorithm, so remove it. This makes updating the algorithm less error prone. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* mips32: exit_point optional for mips32_run_algorithmSpencer Oliver2010-07-201-1/+1
| | | | | | | | | As the mips32 uses instruction breakpoints for algorithms we do not really need to check the pc on exit. This now matches the behaviour of the arm codebase. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* armv7m: exit_point optional for armv7m_run_algorithmSpencer Oliver2010-07-201-1/+1
| | | | | | | | | As the armv7m uses instruction breakpoints for algorithms we do not really need to check the pc on exit. This now matches the behaviour of the arm4_5 codebase. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
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